{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:YM2XD2ILIFE3ULBW3KHJNGTSE5","short_pith_number":"pith:YM2XD2IL","schema_version":"1.0","canonical_sha256":"c33571e90b4149ba2c36da8e969a72274b83e480563d256a3d7933fa7c6e8ec9","source":{"kind":"arxiv","id":"hep-ph/0201172","version":2},"attestation_state":"computed","paper":{"title":"Experimental tests of curvature couplings of Fermions in General Relativity","license":"","headline":"","cross_cats":["astro-ph","gr-qc"],"primary_cat":"hep-ph","authors_text":"A. R. Prasanna, B. Mukhopadhyay, S. Mohanty","submitted_at":"2002-01-18T11:01:40Z","abstract_excerpt":"Spin 1/2 particles in geodesic trajectories experience no gravitational potential but they still have non-zero couplings to the curvature tensor. The effect of space time curvature on fermions can be parameterized by a vector and a pseudo-vector potential. These apparent CPT violating terms can be measured with satellite based spin-polarized torsion balance and clock comparison experiments. The Earth's curvature effect is of the order of 10^{-37} Gev which is not far from the present bounds of ~10^{-29} Gev on such CPT violating couplings."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ph/0201172","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-01-18T11:01:40Z","cross_cats_sorted":["astro-ph","gr-qc"],"title_canon_sha256":"6592c5706ff0ffb5c6f591ec9a62da034bd7bf09f9066afd03d012f9130ddcf9","abstract_canon_sha256":"73605553f46ea625ba18fa4d84062883091d1c25efc6fef73c1943afed232e43"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:33:59.090755Z","signature_b64":"D8lcnflwZ3IPN+/7uAYY0yjII55ZgDCcjWBmJUf62je1OGnkYMTK2smwyx6EQipqIeHXrX38ImTKxVnxEKRUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c33571e90b4149ba2c36da8e969a72274b83e480563d256a3d7933fa7c6e8ec9","last_reissued_at":"2026-07-04T16:33:59.090348Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:33:59.090348Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental tests of curvature couplings of Fermions in General Relativity","license":"","headline":"","cross_cats":["astro-ph","gr-qc"],"primary_cat":"hep-ph","authors_text":"A. R. Prasanna, B. Mukhopadhyay, S. Mohanty","submitted_at":"2002-01-18T11:01:40Z","abstract_excerpt":"Spin 1/2 particles in geodesic trajectories experience no gravitational potential but they still have non-zero couplings to the curvature tensor. The effect of space time curvature on fermions can be parameterized by a vector and a pseudo-vector potential. These apparent CPT violating terms can be measured with satellite based spin-polarized torsion balance and clock comparison experiments. The Earth's curvature effect is of the order of 10^{-37} Gev which is not far from the present bounds of ~10^{-29} Gev on such CPT violating couplings."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0201172","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/0201172/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0201172","created_at":"2026-07-04T16:33:59.090411+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0201172v2","created_at":"2026-07-04T16:33:59.090411+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0201172","created_at":"2026-07-04T16:33:59.090411+00:00"},{"alias_kind":"pith_short_12","alias_value":"YM2XD2ILIFE3","created_at":"2026-07-04T16:33:59.090411+00:00"},{"alias_kind":"pith_short_16","alias_value":"YM2XD2ILIFE3ULBW","created_at":"2026-07-04T16:33:59.090411+00:00"},{"alias_kind":"pith_short_8","alias_value":"YM2XD2IL","created_at":"2026-07-04T16:33:59.090411+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2504.20236","citing_title":"Probing the quantum speed limit and entanglement in flavor oscillations of neutrino-antineutrino system in curved spacetime","ref_index":27,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5","json":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5.json","graph_json":"https://pith.science/api/pith-number/YM2XD2ILIFE3ULBW3KHJNGTSE5/graph.json","events_json":"https://pith.science/api/pith-number/YM2XD2ILIFE3ULBW3KHJNGTSE5/events.json","paper":"https://pith.science/paper/YM2XD2IL"},"agent_actions":{"view_html":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5","download_json":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5.json","view_paper":"https://pith.science/paper/YM2XD2IL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0201172&json=true","fetch_graph":"https://pith.science/api/pith-number/YM2XD2ILIFE3ULBW3KHJNGTSE5/graph.json","fetch_events":"https://pith.science/api/pith-number/YM2XD2ILIFE3ULBW3KHJNGTSE5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5/action/storage_attestation","attest_author":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5/action/author_attestation","sign_citation":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5/action/citation_signature","submit_replication":"https://pith.science/pith/YM2XD2ILIFE3ULBW3KHJNGTSE5/action/replication_record"}},"created_at":"2026-07-04T16:33:59.090411+00:00","updated_at":"2026-07-04T16:33:59.090411+00:00"}